//
//  AppDelegate.m
//  Clock
//
//  Created by itlab on 2020/10/13.
//  Copyright © 2020 itlab. All rights reserved.
//

#import "AppDelegate.h"
#import "ViewController.h"
#import "Controllers/MyPageViewController.h"
#import "Controllers/SquareViewController.h"
#import "Controllers/ConfigViewController.h"

@interface AppDelegate (){
    // 该类控制器可以协助实现底部换页
    // NavigationController *cvc;
    UITabBarController *rvc;
    
    UINavigationController *oneCVC;
    MyPageViewController *oneVC;
    
    UINavigationController *twoCVC;
    SquareViewController *twoVC;
    
    UINavigationController *threeCVC;
    ConfigViewController *threeVC;
}

@end


@implementation AppDelegate

- (instancetype)init
{
    self = [super init];
    if (self) {
        
    }
    return self;
}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    rvc = [[UITabBarController alloc] init];
    // cvc = [[NavigationController alloc] initWithRootViewController:rvc];
    
    // 发现子视图控制器
    oneVC = [[MyPageViewController alloc] init];
    oneCVC = [[UINavigationController alloc] initWithRootViewController:oneVC];
    [oneVC loadExtraElements];
    // 为 tabBarController 添加子视图控制器
    //    oneCVC.tabBarController.tabBar.translucent = YES;
    [rvc addChildViewController:oneCVC];
    
    // 打卡子视图控制器
    twoVC = [[SquareViewController alloc] init];
    twoCVC = [[UINavigationController alloc] initWithRootViewController:twoVC];
    [twoVC loadExtraElements];
    [rvc addChildViewController:twoCVC];
    
    // 我的子视图控制器
    threeVC = [[ConfigViewController alloc] init];
    threeCVC = [[UINavigationController alloc] initWithRootViewController:threeVC];
    [threeVC loadExtraElements];
    [rvc addChildViewController:threeCVC];
    
    // 向窗口添加根控制器
    [self.window setRootViewController:rvc];
    // 将窗口背景色改为白色
    self.window.backgroundColor = [UIColor whiteColor];
    [self.window makeKeyAndVisible];
    
    //设置选中的视图控制器的索引
    //通过索引确定显示哪一个控制器
    rvc.selectedIndex = 1;
    
    //设置分栏控制器的透明度
    rvc.tabBar.translucent = NO;
    
    
    return YES;
}


- (void)applicationWillResignActive:(UIApplication *)application {
    // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
    // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
}


- (void)applicationDidEnterBackground:(UIApplication *)application {
    // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
    // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
}


- (void)applicationWillEnterForeground:(UIApplication *)application {
    // Called as part of the transition from the background to the active state; here you can undo many of the changes made on entering the background.
}


- (void)applicationDidBecomeActive:(UIApplication *)application {
    // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
}


- (void)applicationWillTerminate:(UIApplication *)application {
    // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
}


@end
